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(11)

EP 4 344 411 A1

(12)

(43) Date of publication: 03.04.2024 Bulletin 2024/14 (21) Application number: 21855684.3 (22) Date of filing: 16.07.2021

(51) International Patent Classification (IPC):  A61L 2/10(2006.01) A61L 9/015(2006.01) A61L 2/20(2006.01) (52) Cooperative Patent Classification (CPC): A61L 9/015; A61L 2/202; A61L 2209/212; A61L 2209/111; A61L 2202/11; A61L 2202/25; A61L 2202/14; C01B 13/0214; C01B 13/10 (86) International application number: PCT/IB2021/056453 (87) International publication number: WO 2022/034395 (17.02.2022 Gazette 2022/07)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 09.08.2020 IN 202011015652 (71) Applicants: Khurana, Vikas Broomall, PA 19008 (US) Kumar, Dinesh Delhi 110075 (IN)	(72) Inventors: Khurana, Vikas Broomall, PA 19008 (US) Kumar, Dinesh Delhi 110075 (IN) (74) Representative: Sach, Greg Robert  Valet Patent Services Limited Landsberger Str. 302 80687 München 80687 München (DE)